职责链模式javac++
软件设计 石家庄铁道大学信息学院
实验15：职责链模式
本次实验属于模仿型实验，通过本次实验学生将掌握以下内容：
1、理解职责链模式的动机，掌握该模式的结构；
2、能够利用职责链模式解决实际问题。
[实验任务一]：财务审批
某物资管理系统中物资采购需要分级审批，主任可以审批1万元及以下的采购单，部门经理可以审批5万元及以下的采购单，副总经理可以审批10万元及以下的采购单，总经理可以审批20万元及以下的采购单，20万元以上的采购单需要开职工大会确定。现用职责链模式设计该系统。
实验要求：
1. 提交类图；
2. 提交源代码；
3. 注意编程规范。
package test15; public class Client { public static void main(String[] args) { Leader zhuren,bumen,fuzong,zong; Order danzi=new Order(); zong=new Zong("总经理"); fuzong=new Fuzong("副总经理",zong); bumen=new Bumen("部门经理",fuzong); zhuren=new Zhuren("主任",bumen); danzi.setMoney(5000); zhuren.approvel(danzi); System.out.println("--------—----------------------------"); danzi.setMoney(50000); zhuren.approvel(danzi); System.out.println("--------—----------------------------"); danzi.setMoney(1000000); zhuren.approvel(danzi); } }
package test15; public class Zong extends Leader{ public Zong(String a) { super(a); } public Zong(String a,Leader b){ super(a,b); } public void approvel(Order dan) { if(dan.getMoney()<=200000){ System.out.println(name+"同意审批这个"+dan.getMoney()+"元的采购单"); }else { System.out.println(name+"不能审批20万元以上的采购单"); System.out.println("这个"+dan.getMoney()+"元的采购单"+"需要职工大会确定"); } } }
package test15; public class Fuzong extends Leader{ public Fuzong(String a) { super(a); } public Fuzong(String a,Leader b){ super(a,b); } public void approvel(Order dan) { if(dan.getMoney()<=100000){ System.out.println(name+"同意审批这个"+dan.getMoney()+"元的采购单"); }else { System.out.println(name+"不能审批10万元以上的采购单"); this.successor.approvel(dan); } } }
package test15; public class Zhuren extends Leader{ public Zhuren(String a) { super(a); } public Zhuren(String a,Leader b){ super(a,b); } public void approvel(Order dan) { if(dan.getMoney()<=10000){ System.out.println(name+"同意审批这个"+dan.getMoney()+"元的采购单"); }else { System.out.println(name+"不能审批1万元以上的采购单"); this.successor.approvel(dan); } } }
package test15; public class Bumen extends Leader{ public Bumen(String a) { super(a); } public Bumen(String a,Leader b){ super(a,b); } public void approvel(Order dan) { if(dan.getMoney()<=50000){ System.out.println(name+"同意审批这个"+dan.getMoney()+"元的采购单"); }else { System.out.println(name+"不能审批5万元以上的采购单"); this.successor.approvel(dan); } } }
package test15; public abstract class Leader { protected String name; protected Leader successor; public Leader(String a){name=a;} public void setSuccessor(Leader a){ successor=a; } public Leader(String a,Leader b){ name=a; successor=b; } public abstract void approvel(Order dan); }
package test15; public class Order { private double money; public double getMoney(){ return money; } public void setMoney(double a){ money=a; } }
#include<iostream> using namespace std; #include<string> //抽象管理者 class Manager { protected: Manager *m_manager; string m_name; public: Manager(Manager *manager, string name) :m_manager(manager), m_name(name){} virtual void DealWithRequest(string name, int num) {} }; //主任 class Zhuren : public Manager { public: Zhuren(Manager *manager, string name) :Manager(manager, name) {} void DealWithRequest(string name, int num) { if (num < 10000) { cout << "主任" << m_name << "同意审批编号为"<<name<<"金额为"<<num<<"元的采购单"<<endl; } else { cout << "主任" << m_name << "无法处理，交由部门经理处理" << endl; m_manager->DealWithRequest(name, num); } } }; //部门经理 class Bumen : public Manager { public: Bumen(Manager *manager, string name) :Manager(manager, name) {} void DealWithRequest(string name, int num) { if (num < 50000) { cout << "部门经理" << m_name << "同意审批编号为"<<name<<"金额为"<<num<<"元的采购单"<<endl; } else { cout << "部门经理" << m_name << "无法处理，交由副总经理处理" << endl; m_manager->DealWithRequest(name, num); } } }; //副总经理 class Fuzong : public Manager { public: Fuzong(Manager *manager, string name) :Manager(manager, name) {} void DealWithRequest(string name, int num) { if (num < 100000) { cout << "副总经理" << m_name << "同意审批编号为"<<name<<"金额为"<<num<<"元的采购单"<<endl; } else { cout << "副总经理" << m_name << "无法处理，交由总经理处理" << endl; m_manager->DealWithRequest(name, num); } } }; //总经理 class Zong : public Manager { public: Zong(Manager *manager, string name) :Manager(manager, name) {} void DealWithRequest(string name, int num) { if (num < 200000) { cout << "总经理" << m_name << "同意审批编号为"<<name<<"金额为"<<num<<"元的采购单"<<endl; } else { cout << "总经理" << m_name << "无法处理，召开职工大会处理" << endl; m_manager->DealWithRequest(name, num); } } }; class Congress : public Manager { public: Congress(Manager *manager, string name) :Manager(manager, name) {} void DealWithRequest(string name, int num) { cout << "职工大会" << m_name << "审批采购单：" << name << "同意审批编号为"<<name<<"金额为"<<num<<"元的采购单"<<endl; } }; //主函数 int main() { //设置上级 Manager *congress = new Congress(NULL, ""); Manager *zong = new Zong(congress, "赵六"); Manager *fuzong = new Fuzong(zong, "王五"); Manager *bumen = new Bumen(fuzong, "李四"); Manager *zhuren = new Zhuren(bumen, "张三"); zhuren->DealWithRequest("001", 5000); cout<<"-----------------------------------------"<<endl; zhuren->DealWithRequest("002", 10000); cout<<"-----------------------------------------"<<endl; zhuren->DealWithRequest("003", 60000); cout<<"-----------------------------------------"<<endl; zhuren->DealWithRequest("004", 110000); cout<<"-----------------------------------------"<<endl; zhuren->DealWithRequest("005", 300000); cout<<"-----------------------------------------"<<endl; delete zhuren; delete bumen; delete fuzong; delete zong; delete congress; system("pause"); return 0; }
